<template>
  <div class="main user-layout-register">
    <div style="
        display: flex;
        justify-content: center;
        align-items: center;
        width: 368px;
        height: 22px;
        margin-bottom: 20px;
      ">
      <h3>
        <span style="
            padding: 0px 20px 30px;
            color: #1890ff;
            font-size: 14px;
            border-bottom: 3px solid;
            border-bottom-color: #1890ff;
            padding-bottom: 8px;
          ">在线考试系统注册</span>
      </h3>
    </div>
    <a-form ref="formRegister" :form="form" id="formRegister">
      <a-form-item>
        <a-input size="large" type="text" placeholder="用户名"
          v-decorator="['username', { rules: [{ required: true, message: '请输入用户名' }], validateTrigger: ['change', 'blur'] }]"></a-input>
      </a-form-item>

      <a-popover placement="rightTop" trigger="click" :visible="state.passwordLevelChecked">
        <template slot="content">
          <div :style="{ width: '240px' }">
            <div :class="['user-register', passwordLevelClass]">强度：<span>{{ passwordLevelName }}</span></div>
            <a-progress :percent="state.percent" :showInfo="false" :strokeColor="passwordLevelColor" />
            <div style="margin-top: 10px;">
              <span>请至少输入 6 个字符。请不要使用容易被猜到的密码。</span>
            </div>
          </div>
        </template>
        <a-form-item>
          <a-input size="large" type="password" @click="handlePasswordInputClick" autocomplete="false"
            placeholder="至少6位密码，区分大小写"
            v-decorator="['password', { rules: [{ required: true, message: '至少6位密码，区分大小写' }, { validator: this.handlePasswordLevel }], validateTrigger: ['change', 'blur'] }]"></a-input>
        </a-form-item>
      </a-popover>

      <a-form-item>
        <a-input size="large" type="password" autocomplete="false" placeholder="确认密码"
          v-decorator="['password2', { rules: [{ required: true, message: '至少6位密码，区分大小写' }, { validator: this.handlePasswordCheck }], validateTrigger: ['change', 'blur'] }]"></a-input>
      </a-form-item>

      <a-form-item>
        <a-input size="large" placeholder="11 位手机号"
          v-decorator="['phone', { rules: [{ required: true, message: '请输入正确的手机号', pattern: /^1[3456789]\d{9}$/ }, { validator: this.handlePhoneCheck }], validateTrigger: ['change', 'blur'] }]">
          <a-select slot="addonBefore" size="large" defaultValue="+86">
            <a-select-option value="+86">+86</a-select-option>
            <a-select-option value="+87">+87</a-select-option>
          </a-select>
        </a-input>
      </a-form-item>
      <a-row :gutter="16">
        <a-col class="gutter-row" :span="16">
          <a-form-item>
            <a-input size="large" type="text" placeholder="验证码"
              v-decorator="['captcha', { rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur' }]">
              <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>
        </a-col>
        <a-col class="gutter-row" :span="8">
          <a-button class="getCaptcha" size="large" :disabled="state.smsSendBtn" @click.stop.prevent="getCaptcha">{{
            sendCodeText
          }}</a-button>
        </a-col>
      </a-row>

      <a-form-item>
        <a-button size="large" type="primary" htmlType="submit" class="register-button" 
          @click="handleSubmit" >注册
        </a-button>
        <router-link class="login" :to="{ name: 'login' }">使用已有账户登录</router-link>
      </a-form-item>

    </a-form>
  </div>
</template>

<script>
import { mixinDevice } from '../../utils/mixin.js'
import { getSmsCaptcha } from '../../api/login'
import { register } from '../../api/user'
import { saveRegisterInfo } from '../../api/login'

const levelNames = {
  0: '低',
  1: '低',
  2: '中',
  3: '强'
}
const levelClass = {
  0: 'error',
  1: 'error',
  2: 'warning',
  3: 'success'
}
const levelColor = {
  0: '#ff0000',
  1: '#ff0000',
  2: '#ff7e05',
  3: '#52c41a'
}
export default {
  name: 'Register',
  components: {},
  mixins: [mixinDevice],
  data() {
    return {
      form: this.$form.createForm(this),

      state: {
        time: 60,
        smsSendBtn: false,
        passwordLevel: 0,
        passwordLevelChecked: false,
        percent: 10,
        progressColor: '#FF0000'
      },
      code: '',
      registerBtn: false,
      sendCodeText: '获取验证码', // 获取验证码按钮文字
      waitTime: 61 // 获取验证码按钮失效时间
    }
  },
  computed: {
    passwordLevelClass() {
      return levelClass[this.state.passwordLevel]
    },
    passwordLevelName() {
      return levelNames[this.state.passwordLevel]
    },
    passwordLevelColor() {
      return levelColor[this.state.passwordLevel]
    }
  },
  methods: {

    handlePasswordLevel(rule, value, callback) {
      let level = 0

      // 判断这个字符串中有没有数字
      if (/[0-9]/.test(value)) {
        level++
      }
      // 判断字符串中有没有字母
      if (/[a-zA-Z]/.test(value)) {
        level++
      }
      // 判断字符串中有没有特殊符号
      if (/[^0-9a-zA-Z_]/.test(value)) {
        level++
      }
      this.state.passwordLevel = level
      this.state.percent = level * 30
      if (level >= 2) {
        if (level >= 3) {
          this.state.percent = 100
        }
        callback()
      } else {
        if (level === 0) {
          this.state.percent = 10
        }
        callback(new Error('密码强度不够'))
      }
    },

    handlePasswordCheck(rule, value, callback) {
      const password = this.form.getFieldValue('password')
      console.log('value', value)
      if (value === undefined) {
        callback(new Error('请输入密码'))
      }
      if (value && password && value.trim() !== password.trim()) {
        callback(new Error('两次密码不一致'))
      }
      callback()
    },

    handlePhoneCheck(rule, value, callback) {
      console.log('handlePhoneCheck, rule:', rule)
      console.log('handlePhoneCheck, value', value)
      console.log('handlePhoneCheck, callback', callback)

      callback()
    },

    handlePasswordInputClick() {
      if (!this.isMobile()) {
        this.state.passwordLevelChecked = true
        return
      }
      this.state.passwordLevelChecked = false
    },

    handleSubmit() {
      const { form: { validateFields }, $router, $message } = this
      validateFields({ force: true }, (err, values) => {
        console.log(values)
        if (!err) {
          //this.registerBtn = true
          //console.log(this.form.getFieldValue("captcha"))
          if (this.form.getFieldValue("captcha") !== this.code) {
            this.$message.error('验证码输入错误')
          } else {
            saveRegisterInfo(this.form.getFieldsValue()).then((res) => {
              console.log(res)
              if (res.code === 0) {
                this.$message.success('注册成功,请登录！')
                this.$router.push({ name: 'login', params: { ...values } })
              } else {
                this.registerBtn = false
                this.$message.error('注册失败,请重试！')
              }
            })
          }
        }
      })
    },

    getCaptcha(e) {
      console.log(this.form.getFieldsValue())
      e.preventDefault()
      const { form: { validateFields }, state, $message, $notification } = this

      validateFields(['phone'], { force: true },
        (err, values) => {
          if (!err) {
            this.state.smsSendBtn = true
            this.waitTime--
            let code = getSmsCaptcha(this.form.getFieldsValue()).then((response) => {
              if (response.code === 0) {
                this.code = response.msg
                console.log(this.code)
              } else {
                this.$message.error('发送失败,请稍后重试！')
                clearInterval(timer)
                this.sendCodeText = '获取验证码'
                this.state.smsSendBtn = false
                this.waitTime = 61
              }
            })
            this.state.smsSendBtn = true
            this.sendCodeText = `${this.waitTime}s 后获取`
            let timer = setInterval(() => {
              if (this.waitTime > 1) {
                this.waitTime--
                this.sendCodeText = `${this.waitTime}s 后获取`
              } else {
                clearInterval(timer)
                this.sendCodeText = '获取验证码'
                this.state.smsSendBtn = false
                this.waitTime = 61
              }
            }, 1000)
          } else {
            this.$message.error('手机号输入错误')
          }
        }
      )
    },
    requestFailed(err) {
      this.$notification['error']({
        message: '错误',
        description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4
      })
      this.registerBtn = false
    }
  },
  watch: {
    'state.passwordLevel'(val) {
      console.log(val)
    }
  }
}
</script>
<style lang="less">
.user-register {

  &.error {
    color: #ff0000;
  }

  &.warning {
    color: #ff7e05;
  }

  &.success {
    color: #52c41a;
  }

}

.user-layout-register {
  .ant-input-group-addon:first-child {
    background-color: #fff;
  }
}
</style>
<style lang="less" scoped>
.user-layout-register {

  &>h3 {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .register-button {
    width: 50%;
  }

  .login {
    float: right;
    line-height: 40px;
  }
}
</style>
